Archived data allows you to retrieve data that has not been used for some time, based on the search parameters you specify. By using metadata, the index data regardless of the original way data was stored during active use. If you want to retrieve data, you need to know the search parameters, such as origin, author, or file content.

Because backups usually contain images of the entire system, it can be very difficult to select specific files for long-term retention. Since the entire backup must be kept as an archive, storage resources are required, and it is difficult in the future to retrieve specific records.